smooths out
- flattensMakes level or even
- ironsRestraints or golf clubs
- evensIntegers divisible by two
- polishesRubs until shiny
- straightensMakes not crooked
glides · calms · settles · eases · softens · levels · buffs · sands · planes · presses · silk · fabric · tensions · kinks · steam · roller · palms · strokes
smooths outcomplicates
Makes more difficult
aggravates · exacerbates · stirs up · ruffles · disrupts
smooths outamplifies
Increases strength or volume
spikes · distorts · accentuates · exaggerates · intensifies